Hook rail



FIG. 1 is a perspective view of a hook rail showing our new design;

FIG. 2 is front elevation thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is one side view thereof; and,

FIG. 6 is another side view thereof.

The dash broken lines shown in the drawings are for purposes of illustrating portions of the hook rail that form no part of the claimed design. The rear portion of the embodiments are not visible during ordinary use and form no part of the claimed design. 

CLAIM The ornamental design for a hook rail, as shown and described. 